DE69523124D1 - Fault detection system for a mirrored memory in a duplicated control of a disk storage system - Google Patents

Fault detection system for a mirrored memory in a duplicated control of a disk storage system

Info

Publication number
DE69523124D1
DE69523124D1 DE69523124T DE69523124T DE69523124D1 DE 69523124 D1 DE69523124 D1 DE 69523124D1 DE 69523124 T DE69523124 T DE 69523124T DE 69523124 T DE69523124 T DE 69523124T DE 69523124 D1 DE69523124 D1 DE 69523124D1
Authority
DE
Germany
Prior art keywords
disk storage
fault detection
mirrored memory
storage system
detection system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69523124T
Other languages
German (de)
Other versions
DE69523124T2 (en
Inventor
Mark D Petersen
Barry J Oldfield
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69523124D1 publication Critical patent/DE69523124D1/en
Publication of DE69523124T2 publication Critical patent/DE69523124T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2097—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements maintaining the standby controller/processing unit updated
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1608—Error detection by comparing the output signals of redundant hardware
    • G06F11/1612—Error detection by comparing the output signals of redundant hardware where the redundant component is persistent storage
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1629—Error detection by comparing the output of redundant processing systems
    • G06F11/1633—Error detection by comparing the output of redundant processing systems using mutual exchange of the output between the redundant processing components
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2089—Redundant storage control functionality
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/70—Masking faults in memories by using spares or by reconfiguring
    • G11C29/74—Masking faults in memories by using spares or by reconfiguring using duplex memories, i.e. using dual copies
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
    • G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1666—Error detection or correction of the data by redundancy in hardware where the redundant component is memory or memory area
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/28—Error detection; Error correction; Monitoring by checking the correct order of processing
DE69523124T 1994-12-15 1995-07-11 Fault detection system for a mirrored memory in a duplicated controller of a disk storage system Expired - Lifetime DE69523124T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35761794A 1994-12-15 1994-12-15

Publications (2)

Publication Number Publication Date
DE69523124D1 true DE69523124D1 (en) 2001-11-15
DE69523124T2 DE69523124T2 (en) 2002-05-29

Family

ID=23406356

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69523124T Expired - Lifetime DE69523124T2 (en) 1994-12-15 1995-07-11 Fault detection system for a mirrored memory in a duplicated controller of a disk storage system

Country Status (4)

Country Link
US (1) US5699510A (en)
EP (1) EP0717358B1 (en)
JP (1) JP3655683B2 (en)
DE (1) DE69523124T2 (en)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0721162A2 (en) * 1995-01-06 1996-07-10 Hewlett-Packard Company Mirrored memory dual controller disk storage system
JP3628777B2 (en) 1995-10-30 2005-03-16 株式会社日立製作所 External storage device
US6073209A (en) * 1997-03-31 2000-06-06 Ark Research Corporation Data storage controller providing multiple hosts with access to multiple storage subsystems
US5984504A (en) * 1997-06-11 1999-11-16 Westinghouse Electric Company Llc Safety or protection system employing reflective memory and/or diverse processors and communications
US6170044B1 (en) * 1997-12-19 2001-01-02 Honeywell Inc. Systems and methods for synchronizing redundant controllers with minimal control disruption
US6085333A (en) * 1997-12-19 2000-07-04 Lsi Logic Corporation Method and apparatus for synchronization of code in redundant controllers in a swappable environment
US6230240B1 (en) * 1998-06-23 2001-05-08 Hewlett-Packard Company Storage management system and auto-RAID transaction manager for coherent memory map across hot plug interface
US6260124B1 (en) 1998-08-13 2001-07-10 International Business Machines Corporation System and method for dynamically resynchronizing backup data
US6467047B1 (en) * 1999-07-30 2002-10-15 Emc Corporation Computer storage system controller incorporating control store memory with primary and secondary data and parity areas
US6487680B1 (en) * 1999-12-03 2002-11-26 International Business Machines Corporation System, apparatus, and method for managing a data storage system in an n-way active controller configuration
JP3458804B2 (en) * 1999-12-27 2003-10-20 日本電気株式会社 Information recording apparatus and control method thereof
JP4462697B2 (en) 2000-01-31 2010-05-12 株式会社日立製作所 Storage controller
US6801954B1 (en) 2000-02-25 2004-10-05 Hewlett-Packard Development Company, L.P. Method and apparatus to concurrently operate on multiple data movement transactions in a disk array subsystem
CN100442253C (en) * 2001-02-22 2008-12-10 北京北信源自动化技术有限公司 Hot mirror image base driven hot back-up method of server data
US6708285B2 (en) 2001-03-15 2004-03-16 Hewlett-Packard Development Company, L.P. Redundant controller data storage system having system and method for handling controller resets
US6715101B2 (en) 2001-03-15 2004-03-30 Hewlett-Packard Development Company, L.P. Redundant controller data storage system having an on-line controller removal system and method
US6802023B2 (en) 2001-03-15 2004-10-05 Hewlett-Packard Development Company, L.P. Redundant controller data storage system having hot insertion system and method
US20030095501A1 (en) * 2001-11-21 2003-05-22 Exanet, Inc. Apparatus and method for load balancing in systems having redundancy
US7093043B2 (en) * 2001-12-27 2006-08-15 Hewlett-Packard Development Company, L.P. Data array having redundancy messaging between array controllers over the host bus
US7293196B2 (en) * 2002-05-08 2007-11-06 Xiotech Corporation Method, apparatus, and system for preserving cache data of redundant storage controllers
US6938124B2 (en) 2002-07-19 2005-08-30 Hewlett-Packard Development Company, L.P. Hardware assisted communication between processors
WO2004025650A1 (en) * 2002-09-16 2004-03-25 Seagate Technology, Inc. Predictive disc drive failure methodology
US6982842B2 (en) * 2002-09-16 2006-01-03 Seagate Technology Llc Predictive disc drive failure methodology
US7076687B2 (en) * 2002-10-16 2006-07-11 Hitachi, Ltd. System and method for bi-directional failure detection of a site in a clustering system
US7603580B2 (en) * 2003-07-15 2009-10-13 International Business Machines Corporation Redundant manager for a storage system
US20050165617A1 (en) * 2004-01-28 2005-07-28 Patterson Brian L. Transaction-based storage operations
US7137042B2 (en) 2004-03-17 2006-11-14 Hitachi, Ltd. Heartbeat apparatus via remote mirroring link on multi-site and method of using same
US7379316B2 (en) * 2005-09-02 2008-05-27 Metaram, Inc. Methods and apparatus of stacking DRAMs
JP4456060B2 (en) 2005-12-14 2010-04-28 富士通株式会社 RAID control apparatus, RAID control program, and RAID control method
US7516352B2 (en) * 2006-03-21 2009-04-07 International Business Machines Corporation Isolating a drive from disk array for diagnostic operations
JP5353002B2 (en) * 2007-12-28 2013-11-27 富士通株式会社 Storage system and information processing apparatus access control method
JP2010026677A (en) * 2008-07-17 2010-02-04 Hitachi Ltd File sharing device and system
US8782347B2 (en) * 2009-06-26 2014-07-15 Intel Corporation Controllably exiting an unknown state of a cache coherency directory
US8327228B2 (en) * 2009-09-30 2012-12-04 Intel Corporation Home agent data and memory management
US8799586B2 (en) * 2009-09-30 2014-08-05 Intel Corporation Memory mirroring and migration at home agent
US8201020B2 (en) * 2009-11-12 2012-06-12 International Business Machines Corporation Method apparatus and system for a redundant and fault tolerant solid state disk
JP5966243B2 (en) * 2010-12-20 2016-08-10 富士通株式会社 Storage device and storage device control method
US9548885B2 (en) * 2012-07-02 2017-01-17 Marvell Israel (M.I.S.L) Ltd Systems and methods for providing replicated data from memories to processing clients
US9064562B2 (en) 2013-04-03 2015-06-23 Hewlett-Packard Development Company, L.P. Memory module having multiple memory banks selectively connectable to a local memory controller and an external memory controller
US9952922B2 (en) 2013-07-18 2018-04-24 Nxp Usa, Inc. Fault detection apparatus and method
US10585769B2 (en) 2017-09-05 2020-03-10 International Business Machines Corporation Method for the implementation of a high performance, high resiliency and high availability dual controller storage system
DE102018103152A1 (en) * 2018-02-13 2019-08-14 Infineon Technologies Ag DEVICE AND METHOD FOR MONITORING A DIGITAL CONTROL UNIT AS REGARDS FUNCTIONAL SAFETY AND A CONTROL DEVICE
EP3531286B1 (en) * 2018-02-26 2020-08-05 ARM Limited Circuitry
CN110535714B (en) 2018-05-25 2023-04-18 华为技术有限公司 Arbitration method and related device
CN114442924B (en) * 2021-12-06 2024-03-15 北京航空航天大学 Control method and device of irregular controller

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339804A (en) * 1979-07-05 1982-07-13 Ncr Corporation Memory system wherein individual bits may be updated
US5193154A (en) * 1987-07-10 1993-03-09 Hitachi, Ltd. Buffered peripheral system and method for backing up and retrieving data to and from backup memory device
US4958273A (en) * 1987-08-26 1990-09-18 International Business Machines Corporation Multiprocessor system architecture with high availability
US5204952A (en) * 1988-07-18 1993-04-20 Northern Telecom Limited Duplex processor arrangement for a switching system
DE69027491T2 (en) * 1989-08-01 1997-02-06 Digital Equipment Corp Software error handling procedures
JPH03132143A (en) * 1989-10-17 1991-06-05 Fujitsu Ltd Emergency restart processing system in exchange system
US5212785A (en) * 1990-04-06 1993-05-18 Micro Technology, Inc. Apparatus and method for controlling data flow between a computer and memory devices
US5195100A (en) * 1990-03-02 1993-03-16 Micro Technology, Inc. Non-volatile memory storage of write operation identifier in data sotrage device
US5214778A (en) * 1990-04-06 1993-05-25 Micro Technology, Inc. Resource management in a multiple resource system
US5155845A (en) * 1990-06-15 1992-10-13 Storage Technology Corporation Data storage system for providing redundant copies of data on different disk drives
US5212784A (en) * 1990-10-22 1993-05-18 Delphi Data, A Division Of Sparks Industries, Inc. Automated concurrent data backup system
US5155835A (en) * 1990-11-19 1992-10-13 Storage Technology Corporation Multilevel, hierarchical, dynamically mapped data storage subsystem
US5278838A (en) * 1991-06-18 1994-01-11 Ibm Corp. Recovery from errors in a redundant array of disk drives
US5237658A (en) * 1991-10-01 1993-08-17 Tandem Computers Incorporated Linear and orthogonal expansion of array storage in multiprocessor computing systems
US5297258A (en) * 1991-11-21 1994-03-22 Ast Research, Inc. Data logging for hard disk data storage systems
US5379417A (en) * 1991-11-25 1995-01-03 Tandem Computers Incorporated System and method for ensuring write data integrity in a redundant array data storage system
US5287462A (en) * 1991-12-20 1994-02-15 Ncr Corporation Bufferless SCSI to SCSI data transfer scheme for disk array applications
US5289418A (en) * 1992-02-14 1994-02-22 Extended Systems, Inc. Memory apparatus with built-in parity generation
WO1993018456A1 (en) * 1992-03-13 1993-09-16 Emc Corporation Multiple controller sharing in a redundant storage array
US5388254A (en) * 1992-03-27 1995-02-07 International Business Machines Corporation Method and means for limiting duration of input/output (I/O) requests
US5418921A (en) * 1992-05-05 1995-05-23 International Business Machines Corporation Method and means for fast writing data to LRU cached based DASD arrays under diverse fault tolerant modes
JPH05341918A (en) * 1992-05-12 1993-12-24 Internatl Business Mach Corp <Ibm> Connector for constituting duplex disk storage device system
US5459857A (en) * 1992-05-15 1995-10-17 Storage Technology Corporation Fault tolerant disk array data storage subsystem
US5379415A (en) * 1992-09-29 1995-01-03 Zitel Corporation Fault tolerant memory system
US5437022A (en) * 1992-12-17 1995-07-25 International Business Machines Corporation Storage controller having additional cache memory and a means for recovering from failure and reconfiguring a control unit thereof in response thereto

Also Published As

Publication number Publication date
JPH08249130A (en) 1996-09-27
EP0717358B1 (en) 2001-10-10
DE69523124T2 (en) 2002-05-29
US5699510A (en) 1997-12-16
JP3655683B2 (en) 2005-06-02
EP0717358A1 (en) 1996-06-19

Similar Documents

Publication Publication Date Title
DE69523124D1 (en) Fault detection system for a mirrored memory in a duplicated control of a disk storage system
DE69424927D1 (en) Data reading method in a semiconductor memory arrangement suitable for storing three or more-valued data in a memory cell
DE69424715D1 (en) Leakage test in a boiler system
DE69424771T2 (en) Arrangement for reading a memory cell matrix
DE69506997D1 (en) System for using mirrored memory as an error-resistant communication path between double disk storage controllers
DE69216373T2 (en) Information display system for electronically reading a book
DE69120757D1 (en) Rewritable data storage medium and data storage system for such a medium
DE69613096T2 (en) READ / WRITE PREVENTION SCHEME FOR A DISK DISC AND UNIT
DE69615550D1 (en) ARCHITECTURE FOR BLOCKING A NON-VOLATILE STORAGE
AU3412295A (en) A multi-port memory system including read and write buffer interfaces
DE69424767D1 (en) Coherent write transactions for partial lines of a cache memory
DE69524844D1 (en) Storage data backup for ferroelectric storage
DE69518951T2 (en) Recording and / or reproducing device for a recording medium
DE69528723T2 (en) Arrangement to ensure the integrity of a system in operation
DE69619794D1 (en) STORAGE CELL FOR READING AND WRITING A REGISTER
DE59304546D1 (en) Power supply for an in particular redundant computer system of a control device
DE69026346D1 (en) Information protection technology for fault-tolerant redundant information storage devices
DE69716844D1 (en) Data writing method in a one-transistor type ferroelectric memory cell
DE69232340T2 (en) Rotating control valve for a flowing medium
DE69429612T2 (en) Write buffer for a superscalar pipeline microprocessor
DE69508034D1 (en) Fault detection system and method for mirrored storage between double disk storage controllers
DE69605820D1 (en) DATA ERROR DETECTION AND CORRECTION FOR COMMON STORAGE
DE69512148T2 (en) Detection of hidden faults in a redundant power supply unit
DE59510760D1 (en) Modular valve and distributor system for flowing media
DE69604297T2 (en) SEGMENTED READING LINE CIRCUIT, IN PARTICULAR FOR MULTIPORT STORAGE ARRANGEMENTS

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE